Free Practice Question
PS · Problem Solving
705-805
Fractions/Ratios/Decimals
Robin mixes two liquids, one blue in colour and other red in colour in the ratio 3:1 and sells the mixture at the rate of $15 per litre, thereby making a 20% profit on his outlay. The blue liquid costs Robin $2 per litre lesser than the red liquid. How much does a litre of red liquid cost?
Answer Choices
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$14
B
$13
C
$12
D
$11
E
$10
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Explanation
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Difficulty
705-805
Type
PS
Category